l3_sdram.c

BlackFin DSP(ADSP) LCD 文字overlay 显示源码

#include <services/services.h>
#include "image.h"

#define Frame_Size 640 * 480

// Define the DMA buffers for each frame.
// Because of SDRAM performance, each frame must be in a different bank.
// The placement in different banks is obtained through RESOLVE() statements in the LDF.
section("sdram0") char PingFrame[Frame_Size];
section("sdram0") char PongFrame[Frame_Size];